JPS5772115A - Output stablizing circuit for focus detector - Google Patents
Output stablizing circuit for focus detectorInfo
- Publication number
- JPS5772115A JPS5772115A JP55149079A JP14907980A JPS5772115A JP S5772115 A JPS5772115 A JP S5772115A JP 55149079 A JP55149079 A JP 55149079A JP 14907980 A JP14907980 A JP 14907980A JP S5772115 A JPS5772115 A JP S5772115A
- Authority
- JP
- Japan
- Prior art keywords
- inputted
- data
- signals
- state
- displaying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
- G03B3/10—Power-operated focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55149079A JPS5772115A (en) | 1980-10-23 | 1980-10-23 | Output stablizing circuit for focus detector |
DE19813141182 DE3141182A1 (de) | 1980-10-16 | 1981-10-16 | "scharfeinstellungs-ermittlungssystem" |
US06/767,668 US4641942A (en) | 1980-10-16 | 1985-08-21 | Focus detecting system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55149079A JPS5772115A (en) | 1980-10-23 | 1980-10-23 | Output stablizing circuit for focus detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5772115A true JPS5772115A (en) | 1982-05-06 |
JPS642922B2 JPS642922B2 (de) | 1989-01-19 |
Family
ID=15467226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55149079A Granted JPS5772115A (en) | 1980-10-16 | 1980-10-23 | Output stablizing circuit for focus detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5772115A (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59226307A (ja) * | 1983-05-18 | 1984-12-19 | ハネウエル・インコ−ポレ−テツド | 自動焦点装置の焦点位置決定方法 |
US4575212A (en) * | 1982-12-28 | 1986-03-11 | Minolta Camera Kabushiki Kaisha | Camera with an improved focus detecting system |
JPS6165671A (ja) * | 1984-09-07 | 1986-04-04 | Matsushita Electric Ind Co Ltd | 自動焦点装置 |
JPS6170867A (ja) * | 1984-09-14 | 1986-04-11 | Matsushita Electric Ind Co Ltd | 螢光灯フリツカ検出装置 |
US4671640A (en) * | 1984-08-09 | 1987-06-09 | Minolta Camera Kabushiki Kaisha | Automatic focus control camera |
JPH0678207A (ja) * | 1993-04-05 | 1994-03-18 | Matsushita Electric Ind Co Ltd | 蛍光灯フリッカ検出装置 |
US7345706B2 (en) | 2002-08-23 | 2008-03-18 | Fuji Photo Optical Co., Ltd. | Auto focus system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52126225A (en) * | 1976-04-15 | 1977-10-22 | Asahi Optical Co Ltd | Automatic focusing unit control circuit for ignoring pseudoofocus position detection signal |
US4091275A (en) * | 1976-10-07 | 1978-05-23 | Honeywell Inc. | Automatic focus system with oscillation inhibit circuit |
JPS54158226A (en) * | 1978-04-25 | 1979-12-13 | Polaroid Corp | Method of automatically positioning lens and camera executing same |
JPS55111925A (en) * | 1979-02-20 | 1980-08-29 | Ricoh Co Ltd | Focusing point signal generator |
JPS5732409A (en) * | 1980-08-06 | 1982-02-22 | Chinon Kk | Focusing controller |
-
1980
- 1980-10-23 JP JP55149079A patent/JPS5772115A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52126225A (en) * | 1976-04-15 | 1977-10-22 | Asahi Optical Co Ltd | Automatic focusing unit control circuit for ignoring pseudoofocus position detection signal |
US4091275A (en) * | 1976-10-07 | 1978-05-23 | Honeywell Inc. | Automatic focus system with oscillation inhibit circuit |
JPS54158226A (en) * | 1978-04-25 | 1979-12-13 | Polaroid Corp | Method of automatically positioning lens and camera executing same |
JPS55111925A (en) * | 1979-02-20 | 1980-08-29 | Ricoh Co Ltd | Focusing point signal generator |
JPS5732409A (en) * | 1980-08-06 | 1982-02-22 | Chinon Kk | Focusing controller |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4575212A (en) * | 1982-12-28 | 1986-03-11 | Minolta Camera Kabushiki Kaisha | Camera with an improved focus detecting system |
JPS59226307A (ja) * | 1983-05-18 | 1984-12-19 | ハネウエル・インコ−ポレ−テツド | 自動焦点装置の焦点位置決定方法 |
US4671640A (en) * | 1984-08-09 | 1987-06-09 | Minolta Camera Kabushiki Kaisha | Automatic focus control camera |
US4791445A (en) * | 1984-08-09 | 1988-12-13 | Minolta Camera Kabushiki Kaisha | Automatic focus control camera |
US4827299A (en) * | 1984-08-09 | 1989-05-02 | Minolta Camera Kabushiki Kaisha | Automatic focus control camera |
US4958183A (en) * | 1984-08-09 | 1990-09-18 | Minolta Camera Kabushiki Kaisha | Control device for use in a camera system |
JPS6165671A (ja) * | 1984-09-07 | 1986-04-04 | Matsushita Electric Ind Co Ltd | 自動焦点装置 |
JPH0588594B2 (de) * | 1984-09-07 | 1993-12-22 | Matsushita Electric Ind Co Ltd | |
JPS6170867A (ja) * | 1984-09-14 | 1986-04-11 | Matsushita Electric Ind Co Ltd | 螢光灯フリツカ検出装置 |
JPH0678207A (ja) * | 1993-04-05 | 1994-03-18 | Matsushita Electric Ind Co Ltd | 蛍光灯フリッカ検出装置 |
US7345706B2 (en) | 2002-08-23 | 2008-03-18 | Fuji Photo Optical Co., Ltd. | Auto focus system |
Also Published As
Publication number | Publication date |
---|---|
JPS642922B2 (de) | 1989-01-19 |
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